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单词	photocell
释义	photocell /ˈfəʊtəʊsɛl / noun Short for photoelectric cell.The receiver uses a photocell or photodiode to detect the light.... The light passing through each filter is detected by the photocell, where it is converted to an electrical pulse. In the presence of a magnetic field, the amount of laser light that is absorbed by the atoms changes and this is detected by a photocell.
随便看	old-timer old-timer's disease old-timey old-timeyness old-timiness Old Tom old town old-towner old trick old trout Olduvai Gorge Old Vic old-wave Old Welsh Old West old wife old-wifely old-wifery old-wifish old witch old wives' tale old-wivish old woman old-womanish old-womanishness

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